Powa' Bottling is also known in some circles as "Power Bottling".
When one smashes a bottle filled with either a corrosive or damaging chemical or substance cover someones head to cause maxium damage.
"I powa' bottled that dickhead last night, shouldn't have looked at my girl, should he?"
"This man need quick medical attention get him into surgery, he's been power bottled!"
"Powa' bottling, the best way to end a bar fight..."